2S 18650 Battery Holder Case Box

The 2S 18650 Battery Holder Case Box is a high-quality plastic enclosure designed to securely hold two 18650 Li-ion batteries in series, providing a combined output of 7.4V (nominal). This battery holder comes with pre-soldered wires, making it easy to connect directly to your circuits, boards, or battery management systems (BMS).

This 2S battery holder is widely used in Arduino, ESP32, robotics, portable electronics, and solar power projects where a 2-cell 18650 power source is needed. It is compact, durable, and heat-resistant for safe operation.

🔧 Features:

• Holds 2 x 18650 lithium-ion batteries

• Output: 7.4V (nominal) when connected in series

• Comes with red and black lead wires

• Durable ABS plastic casing

• Spring-loaded terminals for secure contact

• Easy integration in battery-powered projects

🎯 Applications:

• DIY power banks

• Robotics and automation

• Arduino and IoT projects

• Solar energy storage systems

• Portable electronic gadgets

• 7.4V battery packs for RC devices